B6 DOHC - ENGINE CONTROL SYSTEM

Z-34wiring diagram

B6 DOHC engine. ATX vs MTX branches shown (neutral/clutch switches MTX only). California-specific and Canada MTX wiring noted in B1-01 legend: ( )...ATX, < >...California, < >...Canada MTX.

B-1b B6 DOHC - ENGINE CONTROL SYSTEM

B6 DOHC Engine Control System

Components (17)

Main Relay (Section B-1a)Fuel Injector No.4PRC Solenoid ValvePRC Solenoid Valve No.2EGR Solenoid Valve (Vent)EGR Solenoid Valve (Vacuum)VICS Solenoid ValveEGR Valve Position SensorThrottle Position Sensor / Closed Throttle Position SwitchNeutral Switch (MTX only)Clutch Switch (MTX only)Power Steering Pressure SwitchECM connectorTCM (Section H-1)ECM (Section B-1a)GROUND??

Connections (32)

Main Relay (Section B-1a)

Main Relay (Section B-1a):14Fuel Injector No.4:B1-12W/R

Main Relay (Section B-1a):15PRC Solenoid Valve:B1-13W/R

Main Relay (Section B-1a):15PRC Solenoid Valve No.2:B1-14W/R

Main Relay (Section B-1a):15EGR Solenoid Valve (Vent):B1-15W/R

Main Relay (Section B-1a):15EGR Solenoid Valve (Vacuum):B1-16W/R

Main Relay (Section B-1a):15VICS Solenoid Valve:B1-17W/R

Fuel Injector No.4

Fuel Injector No.4:B1-12ECM connector:2ZL

PRC Solenoid Valve

PRC Solenoid Valve:B1-13ECM connector:2RG/O

PRC Solenoid Valve No.2

PRC Solenoid Valve No.2:B1-14ECM connector:1HW

EGR Solenoid Valve (Vent)

EGR Solenoid Valve (Vent):B1-15ECM connector:1RW/V

EGR Solenoid Valve (Vacuum)

EGR Solenoid Valve (Vacuum):B1-16ECM connector:1TGY

VICS Solenoid Valve

VICS Solenoid Valve:B1-17ECM connector:1FGY/B

ECM connector

ECM connector:2HEGR Valve Position Sensor:B1-18LG/R

ECM connector:2MThrottle Position Sensor / Closed Throttle Position Switch:B1-19L/W

ECM connector:2KThrottle Position Sensor / Closed Throttle Position Switch:B1-19LG/R

ECM connector:1NThrottle Position Sensor / Closed Throttle Position Switch:B1-19R/W

ECM connector:2JTCM (Section H-1):17L/W

ECM connector:1NTCM (Section H-1):18R/W

ECM connector:2KTCM (Section H-1):19LG/R

ECM connector:1VTCM (Section H-1):20P

ECM connector:1ITCM (Section H-1):21R/G

ECM connector:1VNeutral Switch (MTX only):B1-20BR/Y

ECM connector:1VClutch Switch (MTX only):B1-21BR/Y

ECM connector:1PPower Steering Pressure Switch:B1-22BR/B

ECM connector:2AGROUND:6B/O

ECM connector:2BGROUND:5B/P

ECM connector:2C??:??B/LG

EGR Valve Position Sensor

EGR Valve Position Sensor:B1-18GROUND:B/LB/L

Throttle Position Sensor / Closed Throttle Position Switch

Throttle Position Sensor / Closed Throttle Position Switch:B1-19GROUND:B/LB/L

Neutral Switch (MTX only)

Neutral Switch (MTX only):B1-20GROUND:BB

Clutch Switch (MTX only)

Clutch Switch (MTX only):B1-21GROUND:BB

ECM (Section B-1a)

ECM (Section B-1a):16EGR Valve Position Sensor:B1-18B/L

NOTE

Connector legend: ( )...ATX, < >...California (per B1-01 ECM table header notation), < >...Canada MTX.

B1-01 ECM (EM) connector terminal layout

Terminal	Wire Color
1U	R/B
1S	O/B
1Q	BR
1M	(G/B)
1K	V/R
1I	LG/R
1G	(R/G)
1E	O
1C	GY/R
1A	V
1V	BR/Y (P)
1T	GY
1R	W/V
1P	BR/B
1N	R/W
1L	Y/B
1J	L/B
1H	W
1F	GY/B
1D	W/Y
1B	W/R
2Y	Y/R
2W	L/O
2U	Y
2S	[?]
2Q	R
2O	LG/B
2M	L/W
2K	LG/R
2I	Y
2G	V/W
2E	G
2C	B/LG
2A	B/O
2Z	L
2X	W/V
2V	Y/W
2T	LG
2P	G/O
2N	P/B
2L	R/L
2J	G
2H	W/O
2F	O/L LG/R
2D	B/L
2B	B/P

Wire ColorR/B

Wire ColorO/B

Wire ColorBR

Wire Color(G/B)

Wire ColorV/R

Wire ColorLG/R

Wire Color(R/G)

Wire ColorO

Wire ColorGY/R

Wire ColorV

Wire ColorBR/Y (P)

Wire ColorGY

Wire ColorW/V

Wire ColorBR/B

Wire ColorR/W

Wire ColorY/B

Wire ColorL/B

Wire ColorW

Wire ColorGY/B

Wire ColorW/Y

Wire ColorW/R

Wire ColorY/R

Wire ColorL/O

Wire ColorY

Wire Color[?]

Wire ColorR

Wire ColorLG/B

Wire ColorL/W

Wire ColorLG/R

Wire ColorY

Wire ColorV/W

Wire ColorG

Wire ColorB/LG

Wire ColorB/O

Wire ColorL

Wire ColorW/V

Wire ColorY/W

Wire ColorLG

Wire ColorG/O

Wire ColorP/B

Wire ColorR/L

Wire ColorG

Wire ColorW/O

Wire ColorO/L LG/R

Wire ColorB/L

Wire ColorB/P

Component connector terminal layouts

Connector ID	Component	Terminals / Colors
B1-12	Fuel Injector No.4 (INJ)	L \| W/R
B1-13	PRC Solenoid Valve (INJ)	G/O \| W/R
B1-14	PRC Solenoid Valve No.2 (INJ)	W \| W/R
B1-15	EGR Solenoid Valve (Vent) (INJ)	W/V \| W/R
B1-16	EGR Solenoid Valve (Vacuum) (INJ)	GY \| W/R
B1-17	VICS Solenoid Valve (INJ)	GY/B \| W/R
B1-18	EGR Valve Position Sensor (EM)	W/O \| LG/R \| B/L
B1-19	Throttle Position Sensor (EM)	LG/R \| L/W \| R/W \| B/L
B1-20	Neutral Switch (EM) (MTX only)	BR/Y \| B
B1-21	Clutch Switch (F) (MTX only)	B \| BR/Y
B1-22	Power Steering Pressure Switch (F)	BR/B

B1-12

ComponentFuel Injector No.4 (INJ)

Terminals / ColorsL | W/R

B1-13

ComponentPRC Solenoid Valve (INJ)

Terminals / ColorsG/O | W/R

B1-14

ComponentPRC Solenoid Valve No.2 (INJ)

Terminals / ColorsW | W/R

B1-15

ComponentEGR Solenoid Valve (Vent) (INJ)

Terminals / ColorsW/V | W/R

B1-16

ComponentEGR Solenoid Valve (Vacuum) (INJ)

Terminals / ColorsGY | W/R

B1-17

ComponentVICS Solenoid Valve (INJ)

Terminals / ColorsGY/B | W/R

B1-18

ComponentEGR Valve Position Sensor (EM)

Terminals / ColorsW/O | LG/R | B/L

B1-19

ComponentThrottle Position Sensor (EM)

Terminals / ColorsLG/R | L/W | R/W | B/L

B1-20

ComponentNeutral Switch (EM) (MTX only)

Terminals / ColorsBR/Y | B

B1-21

ComponentClutch Switch (F) (MTX only)

Terminals / ColorsB | BR/Y

B1-22

ComponentPower Steering Pressure Switch (F)

Terminals / ColorsBR/B

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